Geomag 146-Piece Mechanics Construction Set &ndash; Mentally Stimulating for Children and Adults &ndash; Safe and Construction &ndash; For Ages 5 and Up MAGNETIC ENGINEERING - This playset contains 37 blue magnetic rods and 44 non-magnetic steel balls that let you connect and build whatever awesome creations you want. Make an architectural masterpiece, a whirling gizmo star, or something wild and undefinable. The choice is up to you! AESTHETIC KINETICS - With all the tools necessary to make your creations, spin, flip, rotate, and whirl with beautiful colors, the Geomag Mechanics Construction Set is perfect for little engineers who want to design something exciting and kinetic! Contains 1 indicator rod, 1 square panel, 2 tubes, 22 washers, 16 feet for washers, 16 linear bars, 3 squares for bearing, 2 cages for bearing, 1 plate, and 1 cone. EDUCATIONAL AND STIMULATING - Geomags award winning line of products help children of all ages develop imagination and curiosity through the science of magnetic construction. Each year, Geomag introduces new and innovative STEM toys that entertain, delight, and stimulate young and growing mental faculties. ASSURING SAFE PLAY - Geomagworld SA manufacturing complies with the most rigorous European and international safety standards. At our facility in Novazzano, Switzerland we follow each production phase step by step to ensure that our products adhere to the highest safety standards. SPECIFICATIONS - Package includes (1) indicator rod, (37) blue magnetic rods, (44) non-magnetic steel balls, (2) tubes, (22) washers, (16) feet for washers, (16) linear bars, (3) squares for bearing, (2) cages for bearing, (1) plate, (1) cone, and (1) orange square panel. Warning: CONTAINS SMALL PARTS. Not suitable for children under the age of 3. Recommended for children ages 5 and up. Warning: CONTAINS STRONG MAGNETS. Keep away from sensitive devices such as credit cards, computers, magnetic media and medical devices like pacemakers.